| Manufacturer | Part Number | Description |
|---|---|---|
| Unknown Manufacturer | FM25640-S | 64Kb FRAM Serial Memory |
Cypress (now Infineon) |
FM25640B | 64-Kbit (8 K x 8) Serial (SPI) Automotive F-RAM |
Ramtron |
FM25640B | F-RAM Memory |
| Unknown Manufacturer | FM25640 | 64Kb FRAM Serial Memory |
|
Ramtron |
FM25640C | F-RAM Memory |
